package com.ff.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ff.common.R;
import com.ff.entity.Employee;
import com.ff.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeContrller {
    @Autowired
    private EmployeeService employeeService;
    @PostMapping("/login")
    public R<Employee> login(@RequestBody Employee employee, HttpServletRequest request){
        //1.将页面提交的密码password进行md5加密处理
        String password=employee.getPassword();
        password= DigestUtils.md5DigestAsHex(password.getBytes());
        //2.根据页面提交的用户名username查询数据库
        QueryWrapper<Employee>  wrapper=new QueryWrapper<>();
        wrapper.eq("username",employee.getUsername());
        Employee emp = employeeService.getOne(wrapper);
        //3.如果没有查询到则返回登录失败结果
        if (emp==null){
            System.out.println("用户不存在");
            return  R.error("用户不存在");
        }
        //4.密码比对,如果不一致则返回登录失败
        if (!emp.getPassword().equals(password)){
            System.out.println(employee.toString());
            System.out.println("密码错误");
            return  R.error("密码错误");
        }
        //5.查看员工状态,如果为已禁用状态,则返回员工已禁用结果
        if (emp.getStatus()==0){
            System.out.println("账号已禁用");
            return  R.error("账号已禁用");
        }
        //6.登录成功,将员工id存入Session并返回登录成功结果
        System.out.println(emp.toString());
        request.getSession().setAttribute("employee",emp.getId());
        return R.success(emp);
    }

    /*
    * 员工退出
    * */
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }

    /*
    * 新增员工
    * */
    @PostMapping
    public R<String> save(@RequestBody Employee employee,HttpServletRequest request){
        //设置初始密码123456,需要进行md5加密
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());

        //获取当前登录用户的id
//        employee.setCreateUser((Long) request.getSession().getAttribute("employee"));
//        employee.setUpdateUser((Long) request.getSession().getAttribute("employee"));
        employeeService.save(employee);

        return R.success("新增员工成功");
    }
    @GetMapping ("/page")
    public R<Page> page(Integer page,Integer pageSize,String name){
        log.info("page={},pageSize={},name={}",page,pageSize,name);
        //构造分页构造器
        Page pageInfo=new Page<>(page,pageSize);

        //添加过滤条件
        QueryWrapper<Employee> queryWrapper = new QueryWrapper();
        //添加过滤条件
        if (name!=null){
            queryWrapper.like("name",name);
        }
        //添加排序条件
        queryWrapper.orderByDesc("update_time");
        //执行查询
        employeeService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }
    /*
    * 更改用户状态
    * */
    @PutMapping
    public R<String> update(@RequestBody Employee employee,HttpServletRequest request){
//        employee.setUpdateUser((Long) request.getSession().getAttribute("employee"));
//        employee.setUpdateTime(LocalDateTime.now());
        employeeService.updateById(employee);
        return R.success("修改成功");
    }
    /*
     * 根据id查询员工信息
     * */
    @GetMapping("/{id}")
    public R<Employee>  getById(@PathVariable Long id){
        Employee employee = employeeService.getById(id);
        if (employee!=null){
            return R.success(employee);
        }
        return R.error("没有该员工信息");
    }
}
